Teledyne 201A manual Description, Caution Very Hot

Teledyne API Model 201A NH3 Analyzer Instruction Manual, 04689, Rev. B1

Table 3.2 – M501NH Converter Rebuild Parts List

Part No.

KIT000191

KIT000139

HE0000007

Description

Converter Rebuild Kit

Ceramic Bushings

Ceramic Heater 220W 60 VAC

Procedure:

1.Turn off power to the converter and allow to cool. IT IS VERY IMPORTANT THAT

THE CONVERTER BE COOL BEFORE ATTEMPTING ANY DISASSEMBLY OR REPAIRS.

CAUTION VERY HOT

Will cause severe burns – disassembly while hot will damage other converter components. Allow sufficient time to cool.

2.Remove the chassis cover of the M501NH, remove the aluminum cover over the oven, remove the two U-shaped hold down clamps.

3.Disconnect the 1 stainless steel and 2 PTFE tubes from the converter cartridge.

4.Loosen the nut holding the cartridge assembly in the U-shaped angle bracket mounted on the chassis floor.

5.Gently lift and tilt the converter assembly out of the U-shaped bracket and slide the assembly out of the oven.

6.Loosen the ¼” SS tube fitting nearest the hold-down bracket, this fitting holds the central tube in the converter. Replace the tube that is part of KIT000191

7.Re-assemble the converter by doing the above steps in reverse order.

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